Patents by Inventor Ardath E. McKelvy

Ardath E. McKelvy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D271059
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: October 25, 1983
    Inventor: Ardath E. McKelvy